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Electrical Principles II

Biomedical Engineering · Level 5  ·  4 Chapters

Can I download Electrical Principles II notes as a PDF?

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What Electrical Principles II covers

In this unit, you will be able to confidently handle electrical principles essential for real-world trade work. By mastering calculations, measurements, and maintenance of electrical quantities, cells, and batteries, you'll be ready to solve practical problems, ensure safety, and make informed decisions on the job. Your skills will empower you to work efficiently with DC circuits and electrical systems, setting a strong foundation for your future as a skilled electrician.

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Careers after Electrical Principles II

Understanding Electrical Principles II opens a world of practical opportunities across Kenya’s vibrant industries. Mastering these skills equips you to work confidently with electrical systems that power homes, businesses, and industries, making you an indispensable professional in today’s tech-driven economy.

  • In the Jua Kali sector, your ability to measure and calculate electrical quantities allows you to build and repair electrical gadgets, solar systems, and battery-powered devices, supporting local innovation and entrepreneurship.
  • At KenGen and other energy companies, your skills help maintain and troubleshoot power generation equipment, ensuring Kenya’s electricity supply remains stable and efficient.
  • In the matatu industry, understanding battery maintenance and electrical circuits ensures that vehicle electrical systems run smoothly, reducing breakdowns and improving safety on the roads.
  • Working with county governments on infrastructure projects, you’ll apply your knowledge to install and maintain street lighting, traffic signals, and public facility electrical systems.
  • In agribusiness and companies like KTDA, your skills help power irrigation systems, cold storage units, and processing equipment, boosting productivity and food security.
  • On construction sites, electricians rely on your expertise to wire buildings safely and efficiently, ensuring compliance with IEC standards and Kenyan electrical codes.
  • In the hospitality sector, your competence ensures uninterrupted power supply and maintenance of electrical appliances, enhancing guest experiences and operational efficiency.

Mastering these electrical principles not only opens doors to formal employment but also empowers you to start your own electrical services business, offering installations, repairs, and maintenance to your community. Your expertise will be crucial in Kenya’s ongoing development and electrification efforts, making you a key player in shaping a brighter, more connected future. Keep pushing forward—your skills light up the path ahead!

Chapters

1
Apply magnetism and electromagnetism
10 topics
Open chapter →
2
Apply Electrostatics principles
7 topics
Open chapter →
3
Apply AC circuits
8 topics
Open chapter →
4
Conduct Electrical installation, system earthing and protection
26 topics
Open chapter →
What Electrical Principles II covers: 28 main topics in 4 chapters

1. Apply magnetism and electromagnetism

  1. 1.1 Magnetic and non-magnetic materials and
  2. 1.2 Concepts of magnetic fields and field electromagnetism distribution
  3. 1.3 Existence of magnetic field
  4. 1.4 Concepts of electromagnetism
  5. 1.5 Laws of electromagnetic induction
  6. 1.6 Concepts of self and mutual induction

2. Apply Electrostatics principles

  1. 2.1 Electrostatics quantities
  2. 2.2 Types of capacitors
  3. 2.3 Concept of charge and electrostatic field
  4. 2.4 Capacitors in series and parallel
  5. 2.5 Measurement of capacitance
  6. 2.6 Application of Capacitors
  7. 2.7 Testing of capacitor

3. Apply AC circuits

  1. 3.1 AC generators concepts
  2. 3.2 AC waveforms concepts
  3. 3.3 Derivation of generator e.m.f equation
  4. 3.4 Sine wave equations
  5. 3.5 Passive elements in AC circuits
  6. 3.6 Power triangle Active, Apparent and reactive power
  7. 3.7 Power factor correction
  8. 3.8 Methods of power factor correction

4. Conduct Electrical installation, system earthing and protection

  1. 4.1 Electrical installation
  2. 4.2 Application of System and equipment protection principles
  3. 4.3 Perform Protection system design
  4. 4.4 Design Earthing systems
  5. 4.5 Perform Test on an earthing system
  6. 4.6 Identification of various types of lightning strikes based on Benjamin Franklin
  7. 4.7 Perform Lightning system design

Revise this unit

Exam-style questions 56 Written to CDACC standard, with answers Test yourself 119 Multiple-choice, one at a time Practise questions 93 Quick recall — check you know the facts
3 more for this unit
Oral exam preparation 28 What the assessor asks, and how to answer out loud Worked calculations 21 Step-by-step maths with the common mistakes Quick cards 593 Myth busters, skill tips and scenarios

Beyond the syllabus

Decision simulator 3 On site, what would you do? Workplace scenarios 60 Real site situations — what would you do? Turn this into income 36 Where this skill earns — what to charge, how to find clients

Other units in Module III